power regulation and control 中文意思是什麼

power regulation and control 解釋
功率調節
  • power : n 1 力,力量;能力;體力,精力;(生理)機能;〈常 pl 〉才能。2 勢力,權力,權限;威力;政權;權...
  • regulation : n 1 規則,規程,規章,條例。2 控制,管理,限制,(情慾等的)節制。3 調整,調節,整頓。4 校準;穩...
  • and : n. 1. 附加條件。2. 〈常 pl. 〉附加細節。
  • control : n 1 支配,管理,管制,統制,控制;監督。2 抑制(力);壓制,節制,拘束;【農業】防治。3 檢查;核...
  1. The four departments generation set of 360 mw power plant from french alstom by huaneng luohuang power plant, its steam machine control system, including steam machine regulation and steam machine protection system are designed by french gec - alstom dem company

    華能珞璜電廠四臺360mw燃煤發電機組系由法國alstom全套引進,其汽機控制系統,包括汽機調節、汽機保護系統均由法國gec - alstomdem公司開發設計。
  2. The algorithm of svpwm that is adopted by the system implements motor speed - regulation by control of magnitude and phase of motor flux. it can generate less harmonics in the output current of power inverter and less losses of ac motor, reduce pulsant component in output torque and raise availability of dc supply voltage

    系統採用的svpwm演算法通過對空間磁鏈矢量幅值和相位的控制來調節電機轉速,減少了逆變器輸出電流的諧波,降低了脈動轉矩,提高了電壓的利用率。
  3. First, it analyzes the working principle and some features of the system, such as the circulating current characteristics, power distribution characteristics, and characteristics about closed loop regulation of voltage. then it goes on to the study of some typical control methods, and designs on this basis, a parallel controller using a synchronization control strategy of racing to merging and a load - sharing strategy combined with feedback control and drooped control

    文中,首先通過建立系統的數學模型,分析了逆變電源並聯運行的工作原理以及並聯系統的一些主要特性,包括它的環流特性、功率特性和電壓閉環調節特性;在此基礎上,又研究了幾種典型的並聯運行控制方式;然後,採用搶占與並發相結合的同步控制方式和反饋與下垂特性相結合的負載均分控制設計了並聯控制器。
  4. The reason for the unprecedented development of southern economy such as agriculture, industry and commerce in the period of the six dynasties was that the policies of macroeconomic regulation and control were put into practice by the six dynasties. the policies were shown by increasing agricultural production factors, compromising with powerful families and limiting their power and developing business and trade

    六朝時期,南方經濟得以較大程度的開發,農、工、商都有了前所未有的發展,其中一個最重要的原因是六朝政府實施了較合時宜的宏觀調控政策,表現為對農業生產要素的增加、對豪族勢力的妥協與限制和發展商業貿易的政策。
  5. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault , researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system , a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows : this paper compared some existing methods in excitation control , fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 , indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which , discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations , made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations , which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations , there were several very important parameters of power system - - rotor angle ( ) , rotor speed ( ) , generator q axis voltage ( eq ) , transient voltage ( e ' q ) , active power ( pe ) , mechanical input power ( pm ) , valve opening ( ) , generator terminal voltage ( vt ) , based on the model , nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault , which achieved better postfault regulation compared with another two routine methods , one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上,詳細介紹了dfl理論,通過比較闡明了dfl理論其本質是逆系統方法的一類,並結合具體課題推導出的模型方程將dfl理論進行了擴展,使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程,此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ,在此基礎上建立了實用的電力系統簡化的數學模型,並將擴展的dfl理論應用於此模型系統,結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器,通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門(考慮發電機的飽和因素)進行了對比,證實了採用此種控制器可以有效地提高電力系統的暫態穩定性,並且在電力系統遭受小干擾時同樣具有良好的調節性能。
  6. Benefited from the ceaseless development of information technology and control technique, research on grid - connected wind power generation has been in fast progress, with commercial application from several kilowatts up to more than one megawatts per unit, and category of controls from stall type to pitch regulation type up to the state - of - the - art varying speed type

    隨著計算機與自動控制技術的飛速發展,風力發電技術的發展極為迅速,其單機容量從最初的數十千瓦級發展到最近進入市場的兆瓦級機組;控制方式從基本的定槳距失速型控制向變槳距控制直到最新的變速控制發展。
  7. Abstract : variation of flow condition caused by the multi - pur pose regulation schemes has been investigated on the basis of measured date in r iver model. flood - control of the upper river, operation of the power - station, saf ety of the bridge and power - station, navigation and evolution of the river are a nalyzed. a reasonable and feasible project alternative and the improvement measur ement are proposed

    文摘:涪江潼南河段防洪整治是一項以防洪為主體的綜合性河岸整治工程,在平面二維數值模擬計算的基礎上再進行河工模型試驗,比較分析各防洪整治方案下潼南河段水流條件的變化,及其對上游防洪、河道、大橋、電站、航運、河勢的影響,提出合理可行的工程方案
  8. This paper introduces the principles, criteria and referral system of power allocation of eu merger control, then evaluates the application of power allocation system of new merger control regulation

    闡述歐盟並購控制的權力分配原則及分配標準,進而介紹並購控制的移送管轄制度,最後對新並購條例管轄權分配機制運行狀況進行評價。
  9. Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed

    論文首先分析了風機運行特性及其最佳風能利用原理,通過模擬及實驗驗證了採用直流電機的輸出特性模擬風力機的最大輸出功率曲線的可行性,並給出了模擬系統的硬體結構;然後為了實現交流勵磁發電機有功、無功功率獨立調節機理,分析了交流勵磁雙饋發電機的數學模型和在追蹤最大風能捕獲變速恆頻風力發電時必需的定子磁鏈定向矢量控制策略;針對雙饋發電機轉子能量雙向流動的要求,提出並設計了具有能量雙向流動能力的雙pwm交流勵磁用變頻器;最後為實現從理論到實踐的全面研究,研製出了一套小功率完整的雙pwm變頻器交流勵磁的雙饋風力發電機實驗系統,進行了空載、並網、同步速及上、下的發電運行等一系列的運行實驗;所完成的模擬和實驗研究均驗證了理論、模型和控制策略的正確性、可行性。
  10. A novel high - power pollution - free smps is presented in this paper, which accomplishes simultaneously the goal of soft - switching pwm, the input / output isolation, the output voltage regulation and three - phase pfc with a single - stage power processor and simple pseudo - phase - shift control circuit. therefore, compared with the normal two - stage system, the single - stage power supply has simpler structure, lower cost, higher efficiency and easier to control. the proposed smps can be used in the three - phase power system, and can output high power over kw - order and input / output ( i / o ) isolation dc power supply

    本文提出的新型無污染大功率開關電源正是採用三相三線制輸入電源,利用單級偽相移零電壓零電流開關脈寬調制( pps - zvzcs - pwm )全橋變換器完,成功率因數校正( pfc )和輸出電壓快速調節、隔離的雙重功能,並且該變換器開關管在零電壓或零電流下通斷,顯著的減小了emi 。
  11. It " s very necessary to design and utilize the drive circuit of high frequency power mosfet, power regulation circuit and frequency - tracing circuit as three very important parts in control system of induction heating power supply. all those provide some experience for the designing and debugging of electrical source, reducing the cost and advancing efficiency

    本課題就是基於這種需要,研究高頻( 1mhz 3mhz )情況下採用功率mosfet為主開關器件的串聯逆變電源的頻率跟蹤控制電路,因此高頻情況下功率mosfet的驅動電路、頻率跟蹤電路以及功率調節電路等成為主要的研究對象,這些為以後電源裝置的設計調試、減少器件成本及提高工作效率提供良好的前期準備。
  12. Chapter 2 compares the differences of the current - fed converter and the voltage - fed converter used in induction heating power, then induces the power regulation methods of the series resonant inverter and compares the characteristic of these methods. and then, a capacitive pwm & pfm control method which is suitable for medium and small power out induction heating is given

    第二章對感應加熱電源中的電流型逆變器和電壓型逆變器作了比較分析,歸納了串聯諧振逆變器幾種常用的調功方法,對這幾種控制方法的優缺點進行了比較,提出了適用於中小功率感應加熱的容性pwm & pfm控制方法。
  13. In this paper, closely connecting with the actual application of automatization on power station and main engine remote control, and based on the experiences in automatization design together with the successively - built vessels of all kinds in our yard, summarized descriptions will go to the present status, performance and characteristics of automatization in machinery room, analysis and discussion will also be given to classified requirement by rules and regulation on system design of monitoring, alarm, remote control and automatic shift of main and auxiliary equipment, including test and inspection ; all of which, by summarizing the design skeleton and the design ideals on ship automatization, have made some guidance with ship automatization design in the future

    本論文結合電站自動化系統和主機遙控系統應用實例,依據艦船自動化系統設計經驗以及我廠成功建造的各型艦船,就艦船機艙自動化現狀、功能和特性、現行規范對自動化船舶分級及入級設計要求、主要配置的監測、報警、輔機的遙控操作和自動切換以及自動化系統的試驗、驗收等進行了綜述;較好地總結了艦船自動化系統的設計規律,基本理順了艦船自動化系統設計思路,可以指導今後的艦船自動化造船設計工作。並以此為基礎,關注艦船電氣自動化的新技術及發展方向。
  14. In order to obtain three - phase four - line ac output, system applied the four - legged main circuit topology. with the 3d - svm, the power system realizes voltage regulation and three - phase four - line output. meanwhile, this kind of control is easy to be realized in the digital inverter

    為實現三相四線的交流輸出,變換器電路採取四橋臂新型拓撲,其控制採取了三維空間矢量調制,實現了變換器的在線調壓及輸出中點的形成,具有良好的動靜態性能,且這種控制思想可以方便地在現有數字變換器平臺上實現。
  15. A zero - voltage starting method is brought forward which switch the starting from separate exciting to self - exciting successfully ; pll ( phase lock loop ) technology is employed to realize the frequency tracing and constant phase angle control ; igbt driving and protective circuit suitable for parallel inverter is developed, which successfully solve the problem of time compensating and overlapping regulation for the driving signals ; a novel and practical over - voltage protective method for parallel inverters is presented which effectively avoid the possible over - voltage destroy to the inverter. xu haiwen ( power electronics and electric driving ) directed by senior engineer peng yonglong

    提出了一種零壓啟動的他激轉自激方法;通過採用鎖相環技術實現了逆變器工作頻率的自動跟蹤和容性逆變角度的恆值控制;設計了適用於並聯諧振型逆變器的igbt驅動與保護電路,解決了驅動信號的時間補償以及重疊角的可調問題;提出了一種新穎、實用的逆變器過壓保護方法,有效地解決了並聯型諧振逆變器過壓保護這一難題。
  16. By using for reference, in theory, simply introduced the basic working principle of the secondary adjusting hydrostatic transmission system, the basic controlling rules of secondary regulation, and the most radical controlling rules such as rotational speed, torque control and power control etc. by analyzing theory and studying, check - uping the motion parts of secondary element and constructing the control system ; and setting up the topmost rotational speed control system ; designing and completing the software of date processing and system control

    通過參考相關的資料,從理論上介紹了二次調節靜液傳動系統原理,二次調節系統的基本控制規律,簡要介紹了最基本控制規律如:轉速控制、扭矩控制和恆功率控制等。在理論分析和研究的同時,對二次元件的運動部件的檢測和控制系統進行構建;組建了二次元件最高轉速控制系統;設計並完成了數據採集和系統控制軟體;同時,對二次元件控制系統和制動特性採用pid控制進行計算機模擬研究。
  17. Through the developed mutual - feed test bed, it is proven that the control program features accurate speed regulation and is capable of load simulation at different locomotive working modes, which reaches the requirement of high power test system

    最後通過研製的互饋試驗臺證明該控制方案可以精確調速,同時能夠模擬機車各種工況下的負載,滿足大功率試驗系統的要求。
  18. Furthermore, we have successfully carried out many process automation projects and consultancy serivce among the industries, such as power plant control, environmental monitoring, hydraulic system regulation and so on

    公司在電廠控制、環境監測,水利調度等行業已成功開展了多項自控系統工程服務及咨詢業務。
  19. The system competitive power of economic law mainly manifests in the macroeconomic regulation and control law, the market gauge facture law, the enterprise promoting law and social protection law

    宏觀調控法、市場規製法、企業法和社會保障法是經濟法的四個亞部門法,因此,宏觀調控法、市場規製法、企業法和社會保障法形成了經濟法制度競爭力的主要體現維度。
  20. Following this conclusion, various kind of ac speed control rules have been analyzed with the favor given to the self - controlled frequency regulation drive. machine model for doubly fed power generation has been given and control equations are discussed

    其次,借鑒各種交流調速方法,研究電機雙饋發電運行的模型和控制手段,採用自控式調頻,提出了繞線轉子雙饋發電機的矢量控制策略。
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